I recently picked up an IMS 3.1 gallon tank from someone. It came with a cap and petcock, no clue what variety. The petcock is on/off only, no reserve. The guy had the tank for his YZ450F (05 I think), which means it should fit my 03 WR450 with the YZ shrouds (which he included).
Are the cheap ebay petcocks any good? I can spend the $30ish for an OEM one but would prefer not. I know reserve isn't mandatory but it's nice to have, especially on a supermoto.